Effects of Toll-Like Receptor Stimulation on Eosinophilic Infiltration in Lungs of BALB/c Mice Immunized with UV-Inactivated Severe Acute Respiratory Syndrome-Related Coronavirus Vaccine
Identifieur interne : 001655 ( Main/Exploration ); précédent : 001654; suivant : 001656Effects of Toll-Like Receptor Stimulation on Eosinophilic Infiltration in Lungs of BALB/c Mice Immunized with UV-Inactivated Severe Acute Respiratory Syndrome-Related Coronavirus Vaccine
Auteurs : Naoko Iwata-Yoshikawa [Japon] ; Akihiko Uda [Japon] ; Tadaki Suzuki [Japon] ; Yasuko Tsunetsugu-Yokota [Japon] ; Yuko Sato [Japon] ; Shigeru Morikawa [Japon] ; Masato Tashiro [Japon] ; Tetsutaro Sata [Japon] ; Hideki Hasegawa [Japon] ; Noriyo Nagata [Japon]Source :
- Journal of Virology [ 0022-538X ] ; 2014.
Descripteurs français
- KwdFr :
- Analyse de profil d'expression de gènes, Analyse de survie, Analyse sur microréseau, Animaux, Chimiokines (analyse), Granulocytes éosinophiles (immunologie), Interleukine-13 (analyse), Interleukine-4 (analyse), Poumon (anatomopathologie), Poumon (immunologie), Récepteurs de type Toll (agonistes), Récepteurs de type Toll (immunologie), Récepteurs viraux, Souris, Souris de lignée BALB C, Syndrome respiratoire aigu sévère (immunologie), Vaccins antiviraux (administration et posologie), Vaccins antiviraux (immunologie), Vaccins inactivés (administration et posologie), Vaccins inactivés (immunologie), Virus du SRAS (immunologie).
- MESH :
- administration et posologie : Vaccins antiviraux, Vaccins inactivés.
- agonistes : Récepteurs de type Toll.
- analyse : Chimiokines, Interleukine-13, Interleukine-4.
- anatomopathologie : Poumon.
- immunologie : Granulocytes éosinophiles, Poumon, Récepteurs de type Toll, Syndrome respiratoire aigu sévère, Vaccins antiviraux, Vaccins inactivés, Virus du SRAS.
- Analyse de profil d'expression de gènes, Analyse de survie, Analyse sur microréseau, Animaux, Récepteurs viraux, Souris, Souris de lignée BALB C.
English descriptors
- KwdEn :
- Animals, Chemokines (analysis), Eosinophils (immunology), Gene Expression Profiling, Interleukin-13 (analysis), Interleukin-4 (analysis), Lung (immunology), Lung (pathology), Mice, Mice, Inbred BALB C, Microarray Analysis, Receptors, Virus, SARS Virus (immunology), Severe Acute Respiratory Syndrome (immunology), Survival Analysis, Toll-Like Receptors (agonists), Toll-Like Receptors (immunology), Vaccines, Inactivated (administration & dosage), Vaccines, Inactivated (immunology), Viral Vaccines (administration & dosage), Viral Vaccines (immunology).
- MESH :
- chemical , administration & dosage : Vaccines, Inactivated, Viral Vaccines.
- chemical , agonists : Toll-Like Receptors.
- chemical , analysis : Chemokines, Interleukin-13, Interleukin-4.
- immunology : Eosinophils, Lung, SARS Virus, Severe Acute Respiratory Syndrome, Toll-Like Receptors, Vaccines, Inactivated, Viral Vaccines.
- pathology : Lung.
- Animals, Gene Expression Profiling, Mice, Mice, Inbred BALB C, Microarray Analysis, Receptors, Virus, Survival Analysis.
Abstract
Severe acute respiratory syndrome-related coronavirus (SARS-CoV) is an emerging pathogen that causes severe respiratory illness. Whole UV-inactivated SARS-CoV (UV-V), bearing multiple epitopes and proteins, is a candidate vaccine against this virus. However, whole inactivated SARS vaccine that includes nucleocapsid protein is reported to induce eosinophilic infiltration in mouse lungs after challenge with live SARS-CoV. In this study, an ability of Toll-like receptor (TLR) agonists to reduce the side effects of UV-V vaccination in a 6-month-old adult BALB/c mouse model was investigated, using the mouse-passaged Frankfurt 1 isolate of SARS-CoV. Immunization of adult mice with UV-V, with or without alum, resulted in partial protection from lethal doses of SARS-CoV challenge, but extensive eosinophil infiltration in the lungs was observed. In contrast, TLR agonists added to UV-V vaccine, including lipopolysaccharide, poly(U), and poly(I·C) (UV-V+TLR), strikingly reduced excess eosinophilic infiltration in the lungs and induced lower levels of interleukin-4 and -13 and eotaxin in the lungs than UV-V-immunization alone. Additionally, microarray analysis showed that genes associated with chemotaxis, eosinophil migration, eosinophilia, and cell movement and the polarization of Th2 cells were upregulated in UV-V-immunized but not in UV-V+TLR-immunized mice. In particular, CD11b+ cells in the lungs of UV-V-immunized mice showed the upregulation of genes associated with the induction of eosinophils after challenge. These findings suggest that vaccine-induced eosinophil immunopathology in the lungs upon SARS-CoV infection could be avoided by the TLR agonist adjuvants.
Url:
DOI: 10.1128/JVI.00983-14
PubMed: 24850731
PubMed Central: 4135953
Affiliations:
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Le document en format XML
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<term>Survival Analysis</term>
<term>Toll-Like Receptors (agonists)</term>
<term>Toll-Like Receptors (immunology)</term>
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<term>Analyse de survie</term>
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<term>Interleukine-13</term>
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<term>Poumon</term>
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<term>Syndrome respiratoire aigu sévère</term>
<term>Vaccins antiviraux</term>
<term>Vaccins inactivés</term>
<term>Virus du SRAS</term>
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<term>Lung</term>
<term>SARS Virus</term>
<term>Severe Acute Respiratory Syndrome</term>
<term>Toll-Like Receptors</term>
<term>Vaccines, Inactivated</term>
<term>Viral Vaccines</term>
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<term>Analyse sur microréseau</term>
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<term>Récepteurs viraux</term>
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</teiHeader>
<front><div type="abstract" xml:lang="en"><title>ABSTRACT</title>
<p>Severe acute respiratory syndrome-related coronavirus (SARS-CoV) is an emerging pathogen that causes severe respiratory illness. Whole UV-inactivated SARS-CoV (UV-V), bearing multiple epitopes and proteins, is a candidate vaccine against this virus. However, whole inactivated SARS vaccine that includes nucleocapsid protein is reported to induce eosinophilic infiltration in mouse lungs after challenge with live SARS-CoV. In this study, an ability of Toll-like receptor (TLR) agonists to reduce the side effects of UV-V vaccination in a 6-month-old adult BALB/c mouse model was investigated, using the mouse-passaged Frankfurt 1 isolate of SARS-CoV. Immunization of adult mice with UV-V, with or without alum, resulted in partial protection from lethal doses of SARS-CoV challenge, but extensive eosinophil infiltration in the lungs was observed. In contrast, TLR agonists added to UV-V vaccine, including lipopolysaccharide, poly(U), and poly(I·C) (UV-V+TLR), strikingly reduced excess eosinophilic infiltration in the lungs and induced lower levels of interleukin-4 and -13 and eotaxin in the lungs than UV-V-immunization alone. Additionally, microarray analysis showed that genes associated with chemotaxis, eosinophil migration, eosinophilia, and cell movement and the polarization of Th2 cells were upregulated in UV-V-immunized but not in UV-V+TLR-immunized mice. In particular, CD11b<sup>+</sup>
cells in the lungs of UV-V-immunized mice showed the upregulation of genes associated with the induction of eosinophils after challenge. These findings suggest that vaccine-induced eosinophil immunopathology in the lungs upon SARS-CoV infection could be avoided by the TLR agonist adjuvants.</p>
<p><bold>IMPORTANCE</bold>
Inactivated whole severe acute respiratory syndrome-related coronavirus (SARS-CoV) vaccines induce neutralizing antibodies in mouse models; however, they also cause increased eosinophilic immunopathology in the lungs upon SARS-CoV challenge. In this study, the ability of adjuvant Toll-like receptor (TLR) agonists to reduce the side effects of UV-inactivated SARS-CoV vaccination in a BALB/c mouse model was tested, using the mouse-passaged Frankfurt 1 isolate of SARS-CoV. We found that TLR stimulation reduced the high level of eosinophilic infiltration that occurred in the lungs of mice immunized with UV-inactivated SARS-CoV. Microarray analysis revealed that genes associated with chemotaxis, eosinophil migration, eosinophilia, and cell movement and the polarization of Th2 cells were upregulated in UV-inactivated SARS-CoV-immunized mice. This study may be helpful for elucidating the pathogenesis underlying eosinophilic infiltration resulting from immunization with inactivated vaccine.</p>
</div>
</front>
</TEI>
<affiliations><list><country><li>Japon</li>
</country>
<region><li>Région de Kantō</li>
</region>
<settlement><li>Tokyo</li>
</settlement>
</list>
<tree><country name="Japon"><region name="Région de Kantō"><name sortKey="Iwata Yoshikawa, Naoko" sort="Iwata Yoshikawa, Naoko" uniqKey="Iwata Yoshikawa N" first="Naoko" last="Iwata-Yoshikawa">Naoko Iwata-Yoshikawa</name>
</region>
<name sortKey="Hasegawa, Hideki" sort="Hasegawa, Hideki" uniqKey="Hasegawa H" first="Hideki" last="Hasegawa">Hideki Hasegawa</name>
<name sortKey="Morikawa, Shigeru" sort="Morikawa, Shigeru" uniqKey="Morikawa S" first="Shigeru" last="Morikawa">Shigeru Morikawa</name>
<name sortKey="Nagata, Noriyo" sort="Nagata, Noriyo" uniqKey="Nagata N" first="Noriyo" last="Nagata">Noriyo Nagata</name>
<name sortKey="Sata, Tetsutaro" sort="Sata, Tetsutaro" uniqKey="Sata T" first="Tetsutaro" last="Sata">Tetsutaro Sata</name>
<name sortKey="Sato, Yuko" sort="Sato, Yuko" uniqKey="Sato Y" first="Yuko" last="Sato">Yuko Sato</name>
<name sortKey="Suzuki, Tadaki" sort="Suzuki, Tadaki" uniqKey="Suzuki T" first="Tadaki" last="Suzuki">Tadaki Suzuki</name>
<name sortKey="Tashiro, Masato" sort="Tashiro, Masato" uniqKey="Tashiro M" first="Masato" last="Tashiro">Masato Tashiro</name>
<name sortKey="Tsunetsugu Yokota, Yasuko" sort="Tsunetsugu Yokota, Yasuko" uniqKey="Tsunetsugu Yokota Y" first="Yasuko" last="Tsunetsugu-Yokota">Yasuko Tsunetsugu-Yokota</name>
<name sortKey="Uda, Akihiko" sort="Uda, Akihiko" uniqKey="Uda A" first="Akihiko" last="Uda">Akihiko Uda</name>
</country>
</tree>
</affiliations>
</record>
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